68684292 has 36 divisors (see below), whose sum is σ = 176470476. Its totient is φ = 22518720.

The previous prime is 68684257. The next prime is 68684309. The reversal of 68684292 is 29248686.

It can be written as a sum of positive squares in 2 ways, for example, as 17189316 + 51494976 = 4146^2 + 7176^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13443 + ... + 17834.

Almost surely, 2^68684292 is an apocalyptic number.

It is an amenable number.

68684292 is an abundant number, since it is smaller than the sum of its proper divisors (107786184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68684292 is a wasteful number, since it uses less digits than its factorization.

68684292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31348 (or 31343 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 68684292 is about 8287.5986871952. The cubic root of 68684292 is about 409.5300822762.

The spelling of 68684292 in words is "sixty-eight million, six hundred eighty-four thousand, two hundred ninety-two".